Quick Automatic Locking Systems: Features an quick mechanism for efficient marking and measuring, ideal for sensitive tasks in construction or furniture making Multitool Design: Combines hole positioning, angles measurement, and T square functions in a compacts tool, eliminating the need for multiple instruments during woodworking or renovation projects Wide Application: Perfect for carpenter, architects, and home improvement projects, this tool simplifies complex measurements with its user friendly multifunctional design Precisions Tool: This automatic locking multifunctional T square provides accurate measurements with its aluminum alloy construction, ensuring safe result for carpenter and craft enthusiasts Light Weight & Build: Made from resistant anodized aluminum alloy, offering long terms while remaining easy to handle during extended use, Manufacturer: ERRORY